Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 28, 2026, 6:48 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Conditions
Healthy Volunteers
Interventions
Tenofovir alafenamide, Rifapentine, Isoniazid (INH), Pyridoxine
Drug · Dietary Supplement
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Gut Health, Metabolism, Weight Loss, Energy
Interventions
Colon Broom Premium supplement
Dietary Supplement
Lead sponsor
Gut Health, UAB
Industry
Eligibility
30 Years to 50 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Chronic Pain
Interventions
Inflammation Support Formula, Nerve Health Formula, Redox Support Formula
Dietary Supplement
Lead sponsor
Ethos Research & Development
Industry
Eligibility
18 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Newport, Kentucky
Conditions
Atrial Fibrillation, End Stage Renal Disease
Interventions
apixaban, warfarin
Drug
Lead sponsor
Christopher Granger, MD
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
58
States / cities
Huntsville, Alabama • Fresno, California • Long Beach, California + 52 more
Conditions
Latent Tuberculosis
Interventions
Rifapentine 600 mg orally, Isoniazid 900 mg orally, Pyridoxine 50 mg orally
Drug
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Observational Results available

Anticoagulation Therapy in the Very Old

NCT03103763
Conditions
Atrial Fibrillation
Interventions
Warfarin
Drug
Lead sponsor
Robert Stein
Other
Eligibility
70 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Rockport, Maine
Conditions
Critical Limb Ischemia, Diabetes
Interventions
Edetate Disodium, Placebo
Drug · Other
Lead sponsor
Mt. Sinai Medical Center, Miami
Other
Eligibility
50 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Miami Beach, Florida
Conditions
Parkinson's Disease
Interventions
PD vitamin supplementation, PD exercise intervention, PD vitamin + exercise
Dietary Supplement · Other
Lead sponsor
New York Institute of Technology
Other
Eligibility
50 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Old Westbury, New York
Conditions
HIV Infections, Tuberculosis
Interventions
Ethambutol hydrochloride, Isoniazid, Pyrazinamide, Pyridoxine hydrochloride, Levofloxacin, Rifampin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1997
U.S. locations
12
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Miami, Florida + 7 more
Conditions
Parkinson's Disease
Interventions
Folic Acid, Vitamin B6, Vitamin B12, B6, B12, L-methylfolate, B6, B12, Placebo
Dietary Supplement
Lead sponsor
Northwell Health
Other
Eligibility
30 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Manhasset, New York
Conditions
Morning Sickness
Interventions
Bonjesta, Placebo
Drug
Lead sponsor
Duchesnay Inc.
Industry
Eligibility
12 Years to 17 Years · Female only
Enrollment
274 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
10
States / cities
Burbank, California • Hialeah, Florida • Miami, Florida + 7 more
Conditions
Alzheimer's Disease
Interventions
Folate, Vitamin B6, Vitamin B12
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
38
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Sun City, Arizona + 29 more
Conditions
Hereditary Spastic Paraplegia
Interventions
D-cycloserine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 6 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Phase 1 Interventional Accepts healthy volunteers

B-Complex: A Nutraceutical SANS Countermeasure

NCT05366933
Conditions
Optic Disc Edema, Endothelial Dysfunction
Interventions
Vitamin B-Complex Supplement
Drug
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
20 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2032
U.S. locations
1
States / cities
Houston, Texas
Conditions
Premenstrual Syndrome, Menstrual Pain
Interventions
DITTO Cycle Supplement
Dietary Supplement
Lead sponsor
Muse Nutrition Ltd
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Assess the Effects of a Vitamin Shot on Energy Levels

NCT06019858
Conditions
Energy, Fatigue, Mood, Weight Loss, Cognition
Interventions
Vitamin Energy Shot
Other
Lead sponsor
Vitamin Energy®
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Capsule with folate, Vitamin B12 & pyridoxine, placebo
Dietary Supplement · Other
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Orangeburg, New York
Conditions
Premenstrual Syndrome
Interventions
Premenstrual Syndrome Supplement
Dietary Supplement
Lead sponsor
Rael
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Receptor Blockade
Interventions
Adenosine Triphosphate, Acetylcholine, Sodium Nitroprusside, Adenosine Diphosphate, Adenosine Monophosphate, Uridine Triphosphate, Adenosine, Vitamin B 6, Pyridoxal 5'-Phosphate
Drug
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 30 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Conditions
Depression
Interventions
vitamin B6, control
Dietary Supplement · Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Phoenix, Arizona
Completed No phase listed Observational Accepts healthy volunteers

Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients

NCT03360435
Conditions
Bariatric Surgery Candidate, Vitamin Deficiency, Mineral Deficiency
Interventions
Patch MD MultiVitamin Plus patch
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Diabetes Mellitus, Type 2
Interventions
Pyridoxamine Dihydrochloride, placebo
Dietary Supplement · Drug
Lead sponsor
Columbia University
Other
Eligibility
65 Years and older · Female only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
New York, New York
Conditions
Hand and Foot Syndrome
Interventions
Vitamin B 6, placebo
Drug
Lead sponsor
Cook County Health
Government
Eligibility
Not listed
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Cancer
Interventions
Multivitamin (MV), Multivitamin + Vitamin B12 + Vitamin B6, Chemotherapy
Dietary Supplement · Drug
Lead sponsor
New Mexico Cancer Research Alliance
Other
Eligibility
18 Years and older
Enrollment
319 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
5
States / cities
Albuquerque, New Mexico • Santa Fe, New Mexico